CreateQuery pk_test20 (children 3)
 Identifier pk_test20
 Columns definition (children 2)
  ExpressionList (children 3)
   ColumnDeclaration a (children 1)
    DataType String
   ColumnDeclaration b (children 1)
    DataType String
   ColumnDeclaration c (children 1)
    DataType String
  Function tuple (children 1)
   ExpressionList (children 3)
    Identifier a
    Identifier b
    Identifier c
 Storage definition (children 1)
  Function tuple (children 1)
   ExpressionList (children 3)
    Identifier a
    Identifier b
    Identifier c
